United States. Bureau of the Census. "Money and Credit," in United States. Bureau of the Census. "March 1971," Business Conditions Digest (March 1971) : 36-39. https://fraser.stlouisfed.org/title/43/item/7552/toc/289447 , accessed on June 28, 2024.
United States. Bureau of the Census. "Money and Credit," in United States. Bureau of the Census. "March 1971," Business Conditions Digest (March 1971) : 36-39. https://fraser.stlouisfed.org/title/43/item/7552/toc/289447 , accessed on June 28, 2024.